diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 66b5482d..6abda4cc 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -7,6 +7,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   check:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9dcc75d8..06653242 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -7,6 +7,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   lint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 24a43c83..392d2b05 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,6 +7,9 @@ on:
     branches: [main]
   workflow_dispatch:
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest